T-cell type lymphoproliferative disease of granular lymphocytes (LDGL) is equipped with a phenotypic pattern typical of effector cytotoxic cells

被引:9
作者
Baesso, Ilenia [1 ]
Pavan, Laura [1 ]
Boscaro, Elisa [1 ]
Miorin, Marta [1 ]
Facco, Monica [1 ]
Trentin, Livio [1 ]
Agostini, Carlo [1 ]
Zambello, Renato [1 ]
Semenzato, Gianpietro [1 ]
机构
[1] Univ Padua, Sch Med, Dept Clin & Expt Med, Hematol & Clin Immunol Branch, Padua, Italy
关键词
T-cell lymphoproliferative disease of granular lymphocytes; GLs; CTLs; KIRs; NCRs; NK-CTLs;
D O I
10.1016/j.leukres.2006.06.020
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
By analyzing the expression of several cytotoxic markers, killer-immunoglobulin-like receptors (KIRs), CD94/CD159, CD314 and natural cytotoxicity receptors (NCRs), in 22 CD3+ lymphoproliferative disease of granular lymphocyte (LDGL) patients we investigated whether granular lymphocytes (GLs) displayed the phenotype of fully differentiated cytotoxic cells. Our results demonstrate that GLs express a pattern consistent with fully differentiated CTLs. KIRs are expressed only in a fraction of patients (7/22), as is CD94/CD159 (5/22). In conclusion, GLs in CD3+ LDGL patients typically show the phenotype of fully differentiated CTL, whereas the expression of NK receptors does not represent a common feature of the proliferating clone. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:371 / 377
页数:7
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